anthraquinone

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an·thra·qui·none

 (ăn′thrə-kwĭ-nōn′, -kwĭn′ōn′)
n.
A yellow crystalline derivative of anthracene, C14H8O2, that is insoluble in water and used chiefly in the manufacture of dyes.

anthraquinone

(ˌænθrəkwɪˈnəʊn; -ˈkwɪnəʊn)
n
1. (Elements & Compounds) a yellow crystalline solid used in the manufacture of dyes, esp anthraquinone dyes, which have excellent colour properties. Formula: C6H4(CO)2C6H4
2. (Dyeing) a yellow crystalline solid used in the manufacture of dyes, esp anthraquinone dyes, which have excellent colour properties. Formula: C6H4(CO)2C6H4
[C19: anthra(cene) + quinone]

an•thra•qui•none

(ˌæn θrə kwəˈnoʊn, -ˈkwi noʊn, -ˈkwɪn oʊn)

n.
a yellow, water-insoluble, crystalline powder, C14H8O2: used chiefly in the manufacture of dyes.
[1880–85; anthra (cene) + quinone]
References in periodicals archive ?
Shotipruk, Ultrasound-assisted extraction of anthraquinones from roots of Morinda citrifolia, Ultrasonics.
planchonii leaves was subjected to various qualitative and quantitative phytochemical screenings to detect the presence of the following bioactive principles: alkaloids, steroids, anthraquinones, cardenolides, phenols, flavonoids, tannins, triterpenes, glycoside, and saponins.
Whilst occurring naturally in several plants, anthraquinones seem to be also generated by the process of smoking food.
What does it do: The inner bark contains the effective chemical ingredients which are anthraquinones, coumarins, flavanoids, iridoids and napthaquinones and contain the extract lapachol that gives rise to the remarkable claims made for this plant.
Presence of mannana, lectins and anthraquinones is a key feature of aloe vera.
0% is reported to contain over 75 nutrients and 200 active compounds including sugar, anthraquinones, saponins, vitamins, enzymes, minerals, lignin, salicylic acid and amino acids, and other different potentially active compounds including water-soluble and fat-soluble vitamins, minerals, enzymes, simple/complex polysaccharides, phenolic compounds, and organic acid.
The extracts along with negative controls were tested for the presence of alkaloids, saponins, polyphenols, flavonoids, terpenoids, anthraquinones, tannins, phytosterols, and glycosides as follows:
According to previous investigations, Vismia species are composed mainly by anthrones, anthraquinones, flavonoids and phenol derivatives that might be related to the antioxidant activity shown by these species (Vizcaya, Morales, Rojas, & Nunez, 2012).
Purpose: This study addresses the antifungal effect of rubiadin (AQ1) and rubiadin 1-methyl ether (AQ2), two photosensitizing anthraquinones (AQs) isolated from Heterophyllaea pustulata, against C.
Anthraquinones isolated from Cassia tora (Leguminosae) seed show an antifungal property against phytopathogenic fungi.
Preliminary phytochemical screening detected presence of phenols, anthraquinones, tannins, saponins and coumarins as constituents of the crude leaf extract of R.